AHP层次分析法计算判断矩阵的最大特征值,实现用SDRAM运行nios，同时用SRAM保存摄像头数据，计算两个矩阵之间的欧氏距离。- Calculate the maximum eigenvalue judgment matrix of AHP, Implemented with SDRAM run nios, while saving camera data SRAM, Calculation of the Euclidean distance between the two matrices